Suffolk County  »  11729  »  W 21st St  »  100 W 21st St

100 West 21st Street, Deer Park, NY 11729 Property Information

100 West 21st Street, Deer Park, NY 11729 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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100 West 21st Street, Deer Park, NY 11729
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Address

Primary address 100 West 21st Street, Deer Park
Zip code 11729
County Suffolk
Municipality Babylon
Parcel ID 59-1-29

Sales & Tax Overview for 100 West 21st Street, Deer Park

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 12/29/2017
Sale price $175,000
Arm's length
Current property tax $8,465

Lot & Building Information for 100 West 21st Street, Deer Park

Building sqft 1,526
Building class One Family Year-Round Residence (210)
Acreage 0.137
Year built 1955
Bathrooms 2
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Deer Park

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 100 West 21st Street, Deer Park

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About 100 West 21st Street, Deer Park

What is the year built & the total sq. ft. for 100 West 21st Street, Deer Park, NY 11729?

100 West 21st Street, Deer Park, NY 11729 was built in 1955 and has a total of 1,526 square feet.

What is the assessed value of 100 West 21st Street, Deer Park, NY 11729 and the property tax paid?

Assessed at $3,290, the tax amount paid for 100 West 21st Street, Deer Park, NY 11729 is $11,001.

When was 100 West 21st Street, Deer Park, NY 11729 last sold and what was the last sale price?

100 West 21st Street, Deer Park, NY 11729 was last sold in 12/29/2017 for $175,000.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
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Past Sales & Property History for 100 West 21st Street, Deer Park

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Purchase date Purchase price Buyer name Seller name
12/29/2017 $175,000

Title Documents for 100 West 21st Street, Deer Park

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Date Type Amount Party 1 Party 2 Doc image
12/29/2017 - D
02/28/2018 - R
Deed
(Bargain and sale)
           
           
           
           
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R: Recorded date
D: Document date

Property Taxes for 100 West 21st Street, Deer Park

Access detailed property tax data for 100 West 21st Street, Deer Park, NY 11729. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Base tax $11,001
Current property tax $8,465
Market value $557,627
Assessed value $3,290

Assessment History for 100 West 21st Street, Deer Park

Here's the assessment & property tax history for 100 West 21st Street, Deer Park, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessment value Total tax rate Property tax Year over year change
2024-2025 $491,045 $3,290 324.6553 $10,681 +3.62%
2023-2024 $498,485 $3,290 313.3151 $10,308 +2.41%
2022-2023 $421,795 $3,290 305.9299 $10,065 +0.84%
2021-2022 $378,161 $3,290 303.3814 $9,981 +1.59%
2020-2021 $361,538 $3,290 298.6364 $9,825 +2.64%

Permits for 100 West 21st Street, Deer Park

The complete history of permits filed for 100 West 21st Street, Deer Park, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Risk

Create a free account to unlock extended information for 100 West 21st Street, Deer Park, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s) X (See more on map)

Transportation

Access the detailed traffic volume map for 100 West 21st Street, Deer Park to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
May Moore Primary School NR Public PK, K-2 466 0.56
May Moore Primary School NR Public PK, K-2 466 0.56
John Quincy Adams Elementary School NR Public PK, K-2 484 0.96
John Quincy Adams Elementary School NR Public PK, K-2 484 0.96
Martin Luther King Elementary School 3 Public 3-5 621 0.97

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Robert Frost Middle School 7 Public 6-8 903 0.84
St Cyril & Methodius Catholic School NR Private PK-8 190 1.02
Ss Cyril & Methodius School NR Private PK-8 195 1.02
Milton L Olive Middle School 5 Public 6-8 581 1.72
Robert Moses Middle School 4 Public 6-8 1,074 1.87

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Deer Park High School 7 Public 9-12 1,314 0.97
Wyandanch Memorial High School 2 Public 9-12 843 1.61
Ascent School for Individuals With Autism NR Private 4-12 24 2.07
Upper Room Christian School NR Private K-12 149 2.14
North Babylon High School 6 Public 9-12 1,506 2.17

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 100 West 21st Street, Deer Park

Here are the neighbors for 100 West 21st Street, Deer Park.

Address Square feet Purchase date Purchase price
86 W 21st St, Deer Park 1,526 06/25/2014 $315,000
191 Grand Blvd, Deer Park 960 03/07/2023 $522,000
6 Carmans CT, Farmingdale 1,500
12 Carmans CT, Farmingdale 1,612 09/23/2021 $485,000
96 W 21st St, Deer Park 1,526 10/08/2019 $419,000
82 W 21st St, Deer Park 1,527 08/06/2003 $275,000
980 Grand Blvd, Deer Park 18,790
92 W 21st St, Deer Park 1,526 05/26/2023 $525,000
68 Jefryn Blvd, Bay Shore 18,660 12/29/2025 $7,400,000
10 Carmans CT, Farmingdale 2,145 10/25/2006
101 W 22nd St, Deer Park 1,004 08/14/2017 $357,000
202 Airport Plz, Farmingdale 133,008 12/24/2003
4 Carmans CT, Farmingdale 1,686 03/05/2026 $750,000
2 Carmans CT, Farmingdale 1,425
45 Jefryn Blvd, Deer Park 39,220 01/27/2000
81 Jefryn Blvd, Deer Park 31,968 10/13/1997 $250,000
199 Grand Blvd, Deer Park 1,792 05/31/2022 $630,000
66 Jefryn Blvd, Bay Shore 21,190
70 Jefryn Blvd, Bay Shore 18,490 12/29/2025 $7,400,000
8 Carmans CT, Farmingdale 1,993

Nearby ZIP Codes for 100 West 21st Street, Deer Park

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